Inside Earth Chapter 1.1 Pages 25-27

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Presentation transcript:

Inside Earth Chapter 1.1 Pages 25-27 Heat Transfer Inside Earth Chapter 1.1 Pages 25-27

Heat The energy transferred from a hotter object to a colder object. The hotter something is, the faster its molecules are moving. Does ice have heat?

Conduction Heat transfer by direct contact of particles of matter Particles bump into each other and transfer their energy heating them up.

Climate Radiation The transfer of energy through empty space Moves in waves Sunlight Open fire.

Convection Heat transfer by the circular movement of particles (liquids and gasses) Particles transfer heat Caused by differences in density.

How Convection Works Density = Mass / Volume Heated Fluids: Move faster and bump into other particles They spread out increasing the volume Density decreases.

How Convection Works Cooling Fluids Move slower They come together, decreasing the volume Density increases.

What to Work On Make sure Section 1.1 Review questions are completed and turned in! (page 24, #1-4) Read textbook pages 25-27 Answer the Section Review questions on page 27 Questions 1-5